Ailín Pérez has two losses against two opponents on her MMA record. For a list of Pérez's best fights, refer to "Best fights of Ailín Pérez".
On September 3, 2022 Ailín Pérez faced off against Stephanie Egger in a featherweight bout at age 27. She was coming in with a record of 7-2 (5), and Egger was 34 years old and with a record of 7-3 (6). Pérez lost the fight via 2nd-round submission.
On November 6, 2021 Ailín Pérez faced off against Tamires Vidal in a bantamweight bout at age 27. She was coming in with a record of 5-1 (3). Pérez lost the fight via 3-round disqualification.
